public override void ExecuteWorkflow()
{
tracingService.Trace($"Starting custom workflow {className}");
string body = string.Empty;
var content = new StringContent(body, Encoding.UTF8, "application/json");
Task <HttpResponseMessage> response;
RequestMethodEnum requestMethod;
StringBuilder delimitedHeaders = new StringBuilder();
try
{
// Check if there is a body to be sent
if (!string.IsNullOrEmpty(RequestBody.Get <string>(context)))
{
body = RequestBody.Get <string>(context);
}
tracingService.Trace($"body {body}");
using (var client = new HttpClient())
{
requestMethod = GetRequestMethod(RequestMethod.Get <string>(context));
tracingService.Trace($"requestMethod {requestMethod}");
tracingService.Trace($"Calling SendRequest...");
response = SendRequest(context, client, requestMethod, content);
tracingService.Trace($"SendRequest was called");
// Check if reponse was a success, otherwise thrown an exception
response.Result.EnsureSuccessStatusCode();
tracingService.Trace($"HTTP call was called successfully");
// Add a delimiter (;) for every header row returned
foreach (var header in response.Result.Headers)
{
if (delimitedHeaders.Length > 0)
{
delimitedHeaders.Append(";");
}
delimitedHeaders.Append($"{header.Key}:{header.Value}");
}
// Set Response Header output parameter
ResponseHeaders.Set(context, delimitedHeaders.ToString());
tracingService.Trace($"ResponseHeaders {ResponseHeaders.Get<string>(context)}");
// Set Response Body output parameter
var responseString = response.Result.Content.ReadAsStringAsync();
ResponseBody.Set(context, responseString.Result);
tracingService.Trace($"ResponseBody {ResponseBody.Get<string>(context)}");
}
}
catch (Exception ex)
{
tracingService.Trace($"Exception: {ex.Message}");
tracingService.Trace($"StackTrace: {ex.StackTrace}");
tracingService.Trace($"InnerException: {ex.InnerException}");
// Set Response Header output parameter
ResponseHeaders.Set(context, "HTTP call was failed");
// Instead of throwing an error, sending back the response header with a texting indicating an error
//throw new InvalidPluginExecutionException(ex.Message);
}
finally
{
tracingService.Trace($"ResponseHeaders {ResponseHeaders.Get<string>(context)}");
tracingService.Trace($"ResponseBody {ResponseBody.Get<string>(context)}");
tracingService.Trace($"Finished custom workflow {className}");
}
}